Answer:
Original sound waves are distorted by strong later-arriving reflections. Also, sound wave energy is really fast, about 1130 feet per second. A sound wave will bounce back and forth between these two walls about 60 times in one second. Sound travels so fast, it fills a room almost instantly.
Explanation:
i looked up the answer hope you find it helpful
Why are large numbers of ocean animals found in areas where upwelling occurs? *
Oxygen is increased by the movement of water.
Oxygen is decreased by the movement of water.
Nutrients are increased by the movement of water.
Nutrients are decreased by the movement of water.
Which of the following is not part of the Sun's life cycle?
A. main sequence
B. planetary nebula
C. red supergiant
D. stellar nebula
Answer:
A
Explanation:
Answer:
I believe the answer is D
Explanation:
all of the following can happen to runoff except
50 POINTS !!!!!!!!!!!!!
How does your body use fat for energy?
Explain your hypothesis and how you determined it.
Explain your observations. What did you observe in the test tubes? Submit your data chart here.
Explain how the data answered the essential question. Use the following questions to guide your thinking and your answer:
Why do you think it is necessary to break up the fat into tiny droplets?
How could you explain why soap is able to clean the oil and dirt off our bodies?
Download the chart below.
Answer: What Is a Real Hypothesis?
A hypothesis is a tentative statement that proposes a possible explanation to some phenomenon or event. A useful hypothesis is a testable statement, which may include a prediction. A hypothesis should not be confused with a theory. Theories are general explanations based on a large amount of data. For example, the theory of evolution applies to all living things and is based on wide range of observations. However, there are many things about evolution that are not fully understood such as gaps in the fossil record. Many hypotheses have been proposed and tested.
When Are Hypotheses Used?
The key word is testable. That is, you will perform a test of how two variables might be related. This is when you are doing a real experiment. You are testing variables. Usually, a hypothesis is based on some previous observation such as noticing that in November many trees undergo color changes in their leaves and the average daily temperatures are dropping. Are these two events connected? How?
Any laboratory procedure you follow without a hypothesis is really not an experiment. It is just an exercise or demonstration of what is already known.
How Are Hypotheses Written?
Chocolate may cause pimples.
Salt in soil may affect plant growth.
Plant growth may be affected by the color of the light.
Bacterial growth may be affected by temperature.
Ultra violet light may cause skin cancer.
Temperature may cause leaves to change color.
All of these are examples of hypotheses because they use the tentative word "may”. However, their form is not particularly useful. Using the word “may” does not suggest how you would go about providing supporting evidence for the hypothesis. If these statements had not been written carefully, they may not have even been hypotheses at all. For example, if we say "Trees will change color when it gets cold." we are making a prediction. Or if we write, "Ultraviolet light causes skin cancer." could be a conclusion. One way to prevent making such easy mistakes is to formalize the form of the hypothesis.
Explanation: hope this helps!
6 ways to become more fuel-efficient!
Training: The more *trained* you are, the more fat you burn!
Gender: Women are usually better at burning fat.
Exercise mode: You burn more fat running than cycling.
Fasting: When you are fasting your body burns more fat.
Age: As we get older we are better at burning fat.
im extremely sorry if this doesnt help but if it does yw
have a great day
I WILL GIVE YOU BRAINLEST (if correct)!!! Not for BEGGINER!
Coral animals survive best in warm water. Which material is most abundant in warm water?
carbon dioxide
oxygen
nitrogen
Nitrogen are the most abundant in warm water in which coral animals survive best. So, the correct options is C.
What are Coral animals?Corals are creatures. The branch or pile we commonly refer to as "a coral" is actually a collection of countless microscopic creatures called polyps. An invertebrate called a coral polyp can range in size from the size of a pinhead to as much as one foot in diameter. Corals prefer the warmer waters of the tropics since they cannot survive in water that is below 18 degrees Celsius.
Nonetheless, since they do not produce their own food like plants do, corals are considered to be animals. Corals have small arms that resemble tentacles that they employ to scoop food out of the water and into their mysterious mouths. In warm water, where coral animals thrive, nitrogen is most prevalent.
Therefore, the correct options is C.
Learn more about Corals, here:
https://brainly.com/question/14007781
#SPJ3
how has the complexity and diversity of living thing has changed over time
Answer:
As things evolved and got more complex, there was more diversity of things as they evolved
Explanation:
How may a lack of proteins in a person's diet affect the body?
Answer:
Without proteins for an extended period of time, they could become very weak, even to the extence of death
Explanation:
Answer:
malnutrition may occur as well as life threatening situations.
Explanation:
a lack of protein in the diet is a matter of concern, especially when it affects children. It can lead to problems of malnutrition, such as kwashiorkor and marasmus. These can be life-threatening.
Sexual reproduction —
results in genetic variation in the offspring
produces offspring that are identical to the parent
decreases the chances of survival of the species
results in genetic material being donated to offspring by only one parent
What is the function of the small intestines?
to absorb water
to block food from going down the windpipe
to get rid of waste
to absorb nutrients
What is the function of the large intestine?
to absorb nutrients
to absorb water
to grind food
to get rid of waste
Answer:
to absorb water
Explanation:
Hello!
Answer:
The function of the small intestines is: To absorb nutrients
The function of the large intestines is: To absorb water
I hope that helps, and good luck!
What is the Radius of the planet Earth's moon?
Answer:
The Earth is almost, but not quite, a perfect sphere. Its equatorial radius is 6378 km, but its polar radius is 6357 km - in other words, the Earth is slightly flattened.
Which of the following provides evidence for the hypothesis of punctuated equilibrium?
A.
the discovery of many fossils of different forms corresponding to a line of ancestors for a species
B.
the discovery of a common sequence of DNA in several different species
C.
the discovery of a vestigial structure in an organism
D. the discovery of an abrupt change in DNA in a species after many generations of no change
Answer:
B
Explanation:
Answer: B
Explanation:
which kind of soil is likely to have the HIGHEST porosity? A) Soil that is a mixture of sand and clay. B) soil that is all clay. C) soil that is a mixture of silt and clay. D) soil that is all sand.
Explanation:
Sand have the largest particle size so it has the highest porosity.
The answer is Soil that is all sand (D).
Soil that is all sand is likely to have the HIGHEST porosity. Therefore option D is correct.
Porosity refers to the amount of empty space or voids within a soil or rock. It is a measure of how much water or air can be stored in the soil. The type and arrangement of soil particles greatly influence porosity.
Sand particles are relatively large and have larger spaces between them compared to clay or silt particles. This means that sand has a higher porosity because it has more empty spaces or voids that can hold water and air.
The larger particle size allows for better drainage and easier movement of water and air through the soil.
In contrast, clay particles are much smaller and tightly packed together, resulting in smaller spaces between them. This compact arrangement reduces the porosity of clay soils, making it harder for water and air to penetrate and move through the soil.
Soil that is a mixture of sand and clay may have a moderate porosity, as the sand particles contribute to higher porosity while the clay particles reduce it to some extent. Similarly, soil that is a mixture of silt and clay may also have moderate porosity.
Therefore, if we consider the given options, soil that is all sand is likely to have the highest porosity due to the larger particle size and the resulting larger spaces or voids between the sand particles.
Know more about porosity:
https://brainly.com/question/23481307
#SPJ6
what role does glucose in oxygen play in cellular respiration?
A. They are reactants because they are present before the reaction.
B. They are reactants because they are present after the reaction.
C. They are products because they are present before the reaction.
D. They our products because they are present after the reaction.
Answer:
Answer is D
Explanation:
because glucose is made during respiration
Organisms belonging to which kingdom are all autotrophs.
Answer:
plants
Explanation:
auto means self, and plants feed themself
what happens to molecules that are not absorbed in the small intestine?
Answer:
Hold up it is long
Explanation:
Instead, its purpose is to complete water and electrolyte (minerals found naturally in the body, such as potassium, calcium, sodium, and magnesium) absorption begun by the small intestine. Those components of food that are not needed or cannot be absorbed are excreted from the colon in stool.
When Those components of food that are not needed or cannot be absorbed are excreted from the colon in the stool.
What is Small Intestine?
The small intestine is divided into three components: Jejunum; Duodenum; Ileum; Positions of the Small Intestine Complete Digestion of Food.
When The partly digested food is absorbed by the duodenum of the small intestine along with the digestive juices from the pancreas, liver, and its walls.
Although, Instead, it intends to complete water and electrolyte (minerals found inherently in the body, such as potassium, calcium, sodium, and magnesium) absorption formed by the small intestine.
Therefore, Those components of food that are not needed or cannot be absorbed are excreted from the colon in the stool.
Find more information about Small Intestine here:
https://brainly.com/question/9024195
How can humans most directly influence what happens in a river basin in a positive way? *
by developing a task force for creating estuaries
by protecting soil, water, air, plants, and animals
by promoting public awareness through education
by draining swamps, wetlands, marshes, and bogs
Answer:
well it should be the last one because well if those weren't clean than they might get are rivers nasty and stuff so yea
Explanation:
1. What is one way that kinetic energy might be involved in rescue team missions?
2. What is one way that potential energy might be involved in rescue team missions?
what are the structures in the leaves that are unutilized in transpiration? ( pls hurry)
Answer:
Stomata – Stomata are pores in the leaf that allow gas exchange where water vapor leaves the plant and carbon dioxide enters. Special cells called guard cells control each pore's opening or closing. When stomata are open, transpiration rates increase; when they are closed, transpiration rates decrease.
Which student correctly identified the geological process that formed Himilayan mountains?
Answer:
Student 2 is correct!
Explanation:
The Himalayas, which stretch over 2400 km between the Namcha Barwa syntaxis in Tibet and the Nanga Parbat syntaxis in Kashmir, are the result of an ongoing orogeny — the result of a collision of the continental crust of two tectonic plates. This immense mountain range was formed by tectonic forces and sculpted by weathering and erosion.
The geological events include the formation of the mountains. Student 2, stated about the collision of the continental plates. Thus, option A is correct.
What are continental plates?Continental plates are the plate tectonics that is found between the crust and the mantle of the earth (lithosphere). The continental plates are said to have less density than the oceanic plates. This results in the formation of the elevation unlike the depression in oceans.
The converging of the continental plates resulting from collision causes the crust to uplift and form the Himalayan mountains. The tectonic plate of the continents melts, slides, and falls against each other to form the elevated structure.
Therefore, option A. student 2 correctly explained the Himalayan mountain formation.
Learn more about continental plates, here:
https://brainly.com/question/23364540
#SPJ2
i need hhelp on these last two questions(what is the realationship between the height of villi and absorption ?) and (As villi get taller the_______ increases because...) thank you :)
In fruit flies, white eyes are dominant and red eyes are recessive. If two-hybrid fruit flies (Ee) are crossed, what fraction of the offspring will have red eyes?
1/4
1/2
2/3
1/3
What is a cyclone called that generates winds of 200 kmph and rotates in a counter-clockwise movement in the Pacific Ocean?
Which are true of meiosis but not mitosis? Select three options.
It generates genetically different cells.
It generates haploid cells.
It involves prophase, metaphase, anaphase, and telophase.
It involves two rounds of nuclear division.
It begins with a diploid cell.
Answer:
a, b, and d are your answers
Explanation:
I just did it and im in 7th grade
why is starch not absorbed in the small intestine
Explanation:
Particularly important dietary carbohydrates include starch and disaccharides such as lactose and sucrose. None of these molecules can be absorbed for the simple reason that they cannot cross cell membranes unaided and, unlike the situation for monosaccharides, there are no transporters to carry them across
What would be a possible disadvantage of asexual reproduction?
Ability to reproduce in the absence of a mate
Results in low genetic variation of the species
Allows for more genetic variation in the offspring
Takes less time to produce offspring
A possible disadvantage of asexual reproduction is that it results in low genetic variation of the species. Since asexual reproduction involves a single parent, the genetic material of the offspring is identical to that of the parent.
What is the meaning of the advantageous mutations ?
This means that any advantageous mutations or adaptations that could arise from sexual reproduction and genetic recombination will not occur in the offspring.
Low genetic variation can make a species more vulnerable to environmental changes or disease outbreaks, as there is less genetic diversity to help the species adapt and evolve.
Additionally, asexual reproduction can also increase the risk of genetic disorders and diseases. With sexual reproduction, there is a mixing of genetic material from two different individuals, which can help to weed out harmful mutations.
However, in asexual reproduction, any harmful mutations in the parent's DNA will be passed down to the offspring without any opportunity for them to be removed or diluted through genetic recombination.
Finally, asexual reproduction can lead to the accumulation of deleterious mutations over time. Since there is no genetic recombination in asexual reproduction, mutations that are not necessarily harmful in a heterozygous individual can accumulate over time, leading to the expression of harmful recessive alleles in homozygous individuals.
This can reduce the overall fitness of the species and make it more vulnerable to environmental pressures.
Learn more about asexual reproduction at :
https://brainly.com/question/4100787
#SPJ2
Which is the correct answer this is science help
Explanation:
B is the correct answer
Answer: 2nd Option (New and Full)
I hope this helps, and happy Holidays! :)
1.What is the purpose of the lab
To familiarize students with experimental apparatus, the scientific method, and methods of data analysis so that they will have some idea of the inductive process by which the ideas were originated. To teach how to make careful experimental observations and how to think about and draw conclusions from such data.
2.The main purpose of lab is to perform different experiments and importance of topic is that it supports essay's thesis statement.
Use your answers from questions 1 and 2 (above) as the basis for the first section of your lab report. This section provides your reader with background information about why you conducted this lab and how it was completed. It should be one to two paragraphs in length.
Answer:
1. To Learn and explore and to experminent. It will also, help them become better and have an fun experience.
2. To test it out and prove if it right. Or, it can be for making something!
The purpose of the lab is to teach how to make careful experimental observations and how to think about and draw conclusions from such data.
What are the benefits of a lab?Laboratory experiences may enhance student understanding of specific scientific facts and concepts and of the way in which these facts and concepts are organized in the scientific disciplines.
Laboratory is a place where scientific research and development is conducted and analyses performed, in contrast with the field or factory. Most laboratories are characterized by controlled uniformity of conditions (constant temperature, humidity, cleanliness).
The different purposes for which laboratory tests are ordered (diagnosis, monitoring therapy, and screening) and the operating characteristics required for each purpose. The "normal" test result and its meaning.
Learn more about lab:
https://brainly.com/question/14802436
#SPJ2
Please answer tysm!!!
Answer:
The plant would wilt with low turgor pressure.
Explanation:
Turgor is what makes living plant tissue rigid. Loss of turgor, resulting from the loss of water from plant cells, causes flowers and leaves to wilt :3
Mr. Swerdlow wrote a chemical equation on the board and asked his class what should be changed to make it correct. He wrote:
water + carbon dioxide → glucose + oxygen + energy
What should be changed to show the correct chemical reaction?
Carbon dioxide should be traded with glucose, and energy should be shown on both sides.
Water should by moved to the products side, and glucose and oxygen should both be moved to the reactants side.
Water and carbon dioxide should both be moved to the products side, and glucose and oxygen should be moved to the reactants side.
Glucose should be moved to the reactants side, and water and carbon dioxide should both be moved to the products side.
Answer:
Water and carbon dioxide should both be moved to the products side, and glucose and oxygen should be moved to the reactants side.
Explanation:
Answer:
C
Explanation:
epic